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Finding the Fourth Proportional to 349,145.71, 523,948.23 and 191,484.88

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Solution

The fourth proportional to 349,145.71, 523,948.23 and 191,484.88 is: 287,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,145.71 : 523,948.23 = 191,484.88 : x
  2. Step 2: Convert to fraction form
    349,145.71/523,948.23 = 191,484.88/x
  3. Step 3: Cross multiply
    349,145.71x = 523,948.23 × 191,484.88
  4. Step 4: Simplify right side
    349,145.71x = 100,328,162,637.89
  5. Step 5: Solve for x
    x = 100,328,162,637.89/349,145.71
  6. Step 6: Final answer
    x = 287,353.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.